Standardize usage of virtual/override/final specifiers.

components/sync_driver/device_info_data_type_controller_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "components/sync_driver/device_info_data_type_controller.h"
 #include "components/sync_driver/local_device_info_provider_mock.h"
 #include "components/sync_driver/sync_api_component_factory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace sync_driver {
 
 namespace {
 
 class DeviceInfoDataTypeControllerTest : public testing::Test,
                                          public SyncApiComponentFactory {
  public:
   DeviceInfoDataTypeControllerTest()
       : load_finished_(false),
         weak_ptr_factory_(this),
         last_type_(syncer::UNSPECIFIED) {}
-  virtual ~DeviceInfoDataTypeControllerTest() {}
+  ~DeviceInfoDataTypeControllerTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     local_device_.reset(new LocalDeviceInfoProviderMock(
         "cache_guid",
         "Wayne Gretzky's Hacking Box",
         "Chromium 10k",
         "Chrome 10k",
         sync_pb::SyncEnums_DeviceType_TYPE_LINUX,
         "device_id"));
 
     controller_ = new DeviceInfoDataTypeController(
         base::MessageLoopProxy::current(),
         base::Closure(),
         this,
         local_device_.get());
 
     load_finished_ = false;
     last_type_ = syncer::UNSPECIFIED;
     last_error_ = syncer::SyncError();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     controller_ = NULL;
     local_device_.reset();
   }
 
   void Start() {
     controller_->LoadModels(
         base::Bind(&DeviceInfoDataTypeControllerTest::OnLoadFinished,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 
@@ skipping 77 matching lines @@
   controller_->Stop();
   // Destroy |local_device_| and |controller_| out of order
   // to verify that the controller doesn't crash in the destructor.
   local_device_.reset();
   controller_ = NULL;
 }
 
 }  // namespace
 
 }  // namespace sync_driver